/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/GameplayEffectAggregator.h
This will be deprecated/removed soon with the transition to struct-based attributes.
True if the reverse evaluation was successful, false if it was not
bool ReverseEvaluate ( float FinalValue, const [FAggregatorEvaluateParameters](API\Plugins\GameplayAbilities\FAggregatorEvaluateParameters) & Parameters, float & ComputedValue ) const